Answer this question truthfully
### Question: What are the symptoms of Tetralogy of Fallot?
### Response: Patients with ventricular septal defects may not have symptoms. However, if the hole is large, the baby often has symptoms related to heart failure.
The most common symptoms include:
Clubbing of fingers (skin or bone enlargement around the fingernails) Cyanosis, which becomes more pronounced when the baby is upset Difficult feeding (poor feeding habits) Failure to gain weight Passing out Poor development Squatting during episodes of cyanosis
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